Date: Fri, 05 Dec 1997 09:23:28 -0800 From: David Greenman <dg@root.com> To: Damian Hamill <damian@cablenet.net> Cc: freebsd-isp@freebsd.org Subject: Re: slow news server Message-ID: <199712051723.JAA04587@implode.root.com> In-Reply-To: Your message of "Fri, 05 Dec 1997 17:08:56 GMT." <34883528.42877E5C@cablenet.net>
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>> Make sure that you regularly (hourly) delete the articles in the >> control.cancel newsgroup. If you don't it will grow extremely large and >> the system will spend all of it's time trying to deal with it. > >I just found out a short while ago that that is exactly what the >problem was. The control.cancel group had 384000 entries in it's >directory. The directory itself was > 8 MB and an rm -rf to remove >it has been running now for more than 90 minutes. I renamed the >directory and the througput instantly went up to 300 articles a minute. > >Some other people have suggested I lower the interleave factor on the >ccd array. I took the advice of the ccd man page and set the interleave >factor to 65536, however someone else has suggested using 1024. Any >thoughts either way ? 65536 should provide the best performance. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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